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  <title>别名 xdiff_file_bdiff</title>
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  <div id="layout-content"><div id="function.xdiff-file-diff-binary" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">xdiff_file_diff_binary</h1>
  <p class="verinfo">(PECL xdiff &gt;= 0.2.0)</p><p class="refpurpose"><span class="refname">xdiff_file_diff_binary</span> &mdash; <span class="dc-title">别名 <span class="function"><a href="function.xdiff-file-bdiff.html" class="function">xdiff_file_bdiff()</a></span></span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.xdiff-file-diff-binary-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>xdiff_file_diff_binary</strong></span>(<span class="methodparam"><span class="type">string</span> <code class="parameter">$old_file</code></span>, <span class="methodparam"><span class="type">string</span> <code class="parameter">$new_file</code></span>, <span class="methodparam"><span class="type">string</span> <code class="parameter">$dest</code></span>): <span class="type">bool</span></div>

  <p class="para rdfs-comment">
   Makes a binary diff of two files and stores the result in a patch file.
   This function works with both text and binary files. Resulting patch
   file can be later applied using <span class="function"><a href="function.xdiff-file-bpatch.html" class="function">xdiff_file_bpatch()</a></span>.
  </p>
  <p class="para">
   Starting with version 1.5.0 this function is an alias of <span class="function"><a href="function.xdiff-file-bdiff.html" class="function">xdiff_file_bdiff()</a></span>.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.xdiff-file-diff-binary-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">old_file</code></dt>

     <dd>

      <p class="para">
       Path to the first file. This file acts as &quot;old&quot; file.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">new_file</code></dt>

     <dd>

      <p class="para">
       Path to the second file. This file acts as &quot;new&quot; file.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">dest</code></dt>

     <dd>

      <p class="para">
       Path of the resulting patch file. Resulting file contains differences
       between &quot;old&quot; and &quot;new&quot; files. It is in binary format and is human-unreadable.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.xdiff-file-diff-binary-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>true</code></strong>， 或者在失败时返回 <strong><code>false</code></strong>。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.xdiff-file-diff-binary-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-2244">
    <p><strong>示例 #1 <span class="function"><strong>xdiff_file_diff_binary()</strong></span> example</strong></p>
    <div class="example-contents"><p>
     The following code makes binary diff of two archives.
    </p></div>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$old_version&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'my_script_1.0.tgz'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$new_version&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'my_script_1.1.tgz'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">xdiff_file_diff_binary</span><span style="color: #007700">(</span><span style="color: #0000BB">$old_version</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$new_version</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'my_script.bdiff'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 notes" id="refsect1-function.xdiff-file-diff-binary-notes">
  <h3 class="title">注释</h3>
  <blockquote class="note"><p><strong class="note">注意</strong>: 
   <p class="para">
    Both files will be loaded into memory so ensure that your memory_limit is
    set high enough.
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.xdiff-file-diff-binary-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.xdiff-file-bdiff.html" class="function" rel="rdfs-seeAlso">xdiff_file_bdiff()</a> - Make binary diff of two files</span></li>
    <li class="member"><span class="function"><a href="function.xdiff-file-bpatch.html" class="function" rel="rdfs-seeAlso">xdiff_file_bpatch()</a> - Patch a file with a binary diff</span></li>
   </ul>
  </p>
 </div>


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